- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 9/00 - Valve-gear or valve arrangements actuated non-mechanically
Patent holdings for IPC class F01L 9/00
Total number of patents in this class: 11
10-year publication summary
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1
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1
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0
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2
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0
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4
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0
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Freevalve AB | 45 |
2 |
| Deere & Company | 7609 |
1 |
| Denso Corporation | 24316 |
1 |
| Caterpillar Inc. | 9549 |
1 |
| Hyundai Motor Company | 22022 |
1 |
| Cargine Engineering AB | 7 |
1 |
| Medical Instrument Development Laboratories, Inc. | 34 |
1 |
| Perfecter AB | 2 |
1 |
| ASE Alternative Solar Energy Engine AB | 2 |
1 |
| Weifang Lichuang Electronic Technology Co., Ltd. | 8 |
1 |
| Other owners | 0 |